/* ============================================================
   余烬避难所 · 公共样式（明亮沙尘主题 / 黑幽默）
   纯静态 · 无依赖 · 可直接部署到 hph8.3
   ============================================================ */

:root {
  /* ---- 表面 ---- */
  --bg:        #f7f3ec;   /* 页面底色：晒白的沙尘纸 */
  --bg-2:      #efe8dc;
  --panel:     #ffffff;
  --panel-2:   #f6f1e8;
  --line:      #ded4c3;
  --line-2:    #c6b9a2;

  /* ---- 文字 ---- */
  --txt:       #2a231b;
  --txt-dim:   #5f5445;
  --muted:     #75695a;

  /* ---- 强调色（为浅底加深，保证对比度）---- */
  --ember:     #e0621c;
  --ember-2:   #bf5a0d;
  --acid:      #3f8f18;
  --water:     #1778c0;
  --violet:    #7b4fd6;
  --danger:    #cf3b3b;
  --ok:        #2b8f4a;

  /* ---- 形状 / 阴影 ---- */
  --radius:    14px;
  --radius-sm: 9px;
  --shadow:    0 1px 2px rgba(74,56,32,.06), 0 8px 22px rgba(74,56,32,.07);
  --shadow-sm: 0 1px 2px rgba(74,56,32,.08);

  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(224,98,28,.09), transparent 62%),
    radial-gradient(900px 500px at -10% 110%, rgba(23,120,192,.07), transparent 62%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }

/* ---------- 通用容器 ---------- */
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .5px;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 10px rgba(224,98,28,.75);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }

.back-link {
  font-size: 13px;
  color: var(--txt-dim);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 7px 13px;
  border-radius: 999px;
  transition: .18s;
}
.back-link:hover { color: var(--ember); border-color: var(--ember); background: #fff5ec; }

/* ---------- 按钮 ---------- */
.btn {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, #ffffff, var(--panel-2));
  color: var(--txt);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  transition: .16s;
  user-select: none;
  box-shadow: var(--shadow-sm);
}
.btn:hover { border-color: var(--ember); color: var(--ember); background: #fff5ec; }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn:disabled { opacity: 1; cursor: not-allowed; border-color: var(--line); color: var(--muted); background: var(--bg-2); box-shadow: none; }
.btn.primary {
  background: linear-gradient(180deg, #ff9350, #e0621c);
  border-color: #d1541a;
  color: #fff;
  font-weight: 700;
  text-shadow: 0 1px 0 rgba(0,0,0,.12);
}
.btn.primary:hover { color: #fff; filter: brightness(1.05); }
.btn.ghost { background: transparent; box-shadow: none; }
.btn.ghost:hover { background: rgba(224,98,28,.07); }
.btn.sm { padding: 6px 11px; font-size: 13px; border-radius: 8px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* ---------- 数值 / 标签 ---------- */
.mono { font-family: var(--mono); }
.num  { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.dim  { color: var(--txt-dim); }
.muted{ color: var(--muted); }
.tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .6px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--txt-dim);
  background: var(--panel);
  text-transform: uppercase;
}
.tag.hot   { color: var(--ember-2); border-color: rgba(224,98,28,.45); background: rgba(224,98,28,.07); }
.tag.water { color: var(--water);   border-color: rgba(23,120,192,.4);  background: rgba(23,120,192,.07); }
.tag.acid  { color: var(--acid);    border-color: rgba(63,143,24,.4);   background: rgba(63,143,24,.07); }
.tag.violet{ color: var(--violet);  border-color: rgba(123,79,214,.42); background: rgba(123,79,214,.07); }

/* ---------- 进度条 ---------- */
.bar {
  height: 8px;
  border-radius: 999px;
  background: #ece5d8;
  border: 1px solid var(--line);
  overflow: hidden;
}
.bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--ember), var(--ember-2));
  transition: width .25s ease;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: #cdc2ae; border-radius: 6px; border: 2px solid var(--bg-2); }
::-webkit-scrollbar-thumb:hover { background: #b8ab93; }

/* ---------- 提示条 ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(12px);
  background: var(--panel);
  border: 1px solid var(--line-2);
  color: var(--txt);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: 0 8px 26px rgba(74,56,32,.18);
  opacity: 0;
  pointer-events: none;
  transition: .22s;
  z-index: 60;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .wrap { padding: 18px 14px 48px; }
  .grid { grid-template-columns: 1fr; }
  .topbar { padding: 12px 14px; }
}